Red Sox promote top prospect Marcelo Mayer to Double-A
Red Sox top prospect Marcelo Mayer promoted to Double A Portland after tearing it up throughout the month - The Boston Globe
How Red Sox Top Prospect Marcelo Mayer Fared In Double-A Debut
2 of the Red Sox' top prospects have been promoted to the next level
Marcelo Mayer among three Red Sox prospects named to roster for All-Star Futures Game - The Boston Globe
Red Sox to promote top prospect Marcelo Mayer to Double-A Portland on Tuesday
MLB Draft 2021: Marcelo Mayer is a potential pick for the Boston Red Sox - Over the Monster
Red Sox top prospect Marcelo Mayer promoted to Double A Portland after tearing it up throughout the month - The Boston Globe
Fantasy Baseball: Top 100 prospects for 2023; rankings include Gunnar Henderson, Jordan Walker, Miguel Vargas
Marcelo Mayer among three Red Sox prospects named to roster for All-Star Futures Game - The Boston Globe
Teammates Marcelo Mayer, Brainer Bonaci headline All-Red Sox Minor League Team for July - The Athletic
MLB's top 20 prospects for 2022: Adley Rutschman, Bobby Witt Jr. battle for top spot; Leiter, Mayer make cut
Red Sox prospect cracks Baseball America's 2023 Top 10
Top Red Sox prospect Marcelo Mayer promoted to Double A after blistering May - The Athletic